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Re:Modeling a Wealth Tax by jandrewrogers on Tuesday August 18, 2020 @01:05PM (#24201203)
The combined long-term capital gains rate in places like California is >37%. The 20% is just the base federal rate, it can almost double when other investment taxes are accounted for.

You missed a major reason long-term capital gains rates are lower than income tax rates: they are not indexed for inflation in the US and inflation on income is negligible. As a matter of tax policy, it is much simpler to reduce the rate than to compute a very large inflation deduction, but you can find countries that go both ways.

Re:Modeling a Wealth Tax by nrmitchi on Tuesday August 18, 2020 @01:32PM (#24201571)
I will give you the point about a lack of inflation indexing.

I stuck entirely with federal numbers when comparing capital-gains to income taxes to make it a more apples-to-apples comparison. It looks like you took that in order to compare california-specific state+federal capital gains tax, and compared it to federal-only income tax?

The other issue of high-cost states being more often included in high-rate brackets (due to federal tax brackets not being adjusted for cost-of-living) is a different, and also complex, issue.

Re:Modeling a Wealth Tax by bhupy on Tuesday August 18, 2020 @01:11PM (#24201290)
> You missed a major reason long-term capital gains rates are lower than income tax rates: they are not indexed for inflation in the US and inflation on income is negligible. As a matter of tax policy, it is much simpler to reduce the rate than to compute a very large inflation deduction, but you can find countries that go both ways.

Very interesting point.